3-crotonoyl-5,5-dimethyl-2-oxazolidinone 、
Alpha,4-二氯苯甲醛肟 在
nickel(II) perchlorate hexahydrate 、 (R)-N,N'-bis(4-phenyl-2-quinolylmethylene)-1,1'-binaphthyl-2,2'-diamine 作用下,
以
二氯甲烷 为溶剂,
反应 24.0h,
生成 (4R,5R)-3-(p-chlorophenyl)-5-[(5,5-dimethyl-2-oxo-3-oxazolidinyl)carbonyl]-4-methyl-4,5-dihydroisoxazole 、
(4S,5S)-3-(p-chlorophenyl)-5-[(5,5-dimethyl-2-oxo-3-oxazolidinyl)carbonyl]-4-methyl-4,5-dihydroisoxazole 、 3-(p-chlorophenyl)-4-[(5,5-dimethyl-2-oxo-3-oxazolidinyl)carbonyl]-5-methyl-4,5-dihydroisoxazole